package com.mapper;
import com.domain.BlogArticle;
import org.apache.ibatis.annotations.*;
import java.util.List;

@Mapper
public interface BlogArticleMapper {
    @Select("SELECT * FROM t_article WHERE id=#{id}")
    public BlogArticle selectArticleWithId(Integer id);

    @Insert("INSERT INTO t_article (title,created,modified,tags,categories," +
            "allow_comment,thumbnail,content)" +
            "VALUES(#{title},#{created},#{modified},#{tags},#{categories}," +
            "#{allowComment},#{thumbnail},#{content})")
    @Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
    public Integer publishArticle(BlogArticle article);

    @Select("SELECT * FROM t_article ORDER BY id DESC")
    public List<BlogArticle> selectArticleWithPage();


    @Delete("DELETE FROM t_article WHERE id=#{id}")
    public void deleteArticleWithId(int id);

    @Select("SELECT COUNT(1) FROM t_article")
    public Integer countArticle();

    //        @Update("UPDATE t_article SET title=#{title},created=#{created},modified=#{modified},tags = #{tags},thumbnail = #{thumbnail}, content = #{content}," +
//                "categories = #{categories},hits= #{hits},comments_num =#{commentsNum}, allow_comment=#{allowComment} WHERE id=#{id}")
//        public Integer updateArticleWithId(BlogArticle article);
    @Update({
            "<script>",
            "UPDATE t_article",
            "<set>",
            "<if test='title != null'> title = #{title},</if>",
            "<if test='content l= null'>content = #{content},</if>",
            "<if test='created != null'>created = #{created},</if>",

            "<if test='categories != null'>categories = #{categories},</if>",
            "<if test='tags != null'>tags = #{tags},</if>",
            "<if test='alTowComment != null'>allow_comment = #{allowComment},</if>",
            "<if test='thumbnail !=null'>thumbnail = #{thumbnail},</if>",
            "modified=CURRENT_TIMESTAMP ,"+
                    "</set>",
            "WHERE id = #{id} ",
            "</script>"
    })
    public Integer updateArticleWithId(BlogArticle article);
}